CN111335026B - Super-hydrophobic antibacterial conductive fabric and preparation method thereof - Google Patents
Super-hydrophobic antibacterial conductive fabric and preparation method thereof Download PDFInfo
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- CN111335026B CN111335026B CN202010371428.2A CN202010371428A CN111335026B CN 111335026 B CN111335026 B CN 111335026B CN 202010371428 A CN202010371428 A CN 202010371428A CN 111335026 B CN111335026 B CN 111335026B
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- 239000004744 fabric Substances 0.000 title claims abstract description 163
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 45
- 230000003075 superhydrophobic effect Effects 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 14
- 229920003063 hydroxymethyl cellulose Polymers 0.000 claims abstract description 11
- 229940031574 hydroxymethyl cellulose Drugs 0.000 claims abstract description 11
- 239000000243 solution Substances 0.000 claims description 43
- 238000007650 screen-printing Methods 0.000 claims description 35
- 238000001035 drying Methods 0.000 claims description 23
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- 238000007790 scraping Methods 0.000 claims description 19
- 238000005507 spraying Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 12
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 9
- QKIUAMUSENSFQQ-UHFFFAOYSA-N dimethylazanide Chemical compound C[N-]C QKIUAMUSENSFQQ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052731 fluorine Inorganic materials 0.000 claims description 9
- 239000011737 fluorine Substances 0.000 claims description 9
- 229920000734 polysilsesquioxane polymer Polymers 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 238000007598 dipping method Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 abstract description 10
- 238000004140 cleaning Methods 0.000 abstract description 6
- 239000002346 layers by function Substances 0.000 abstract description 5
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 4
- 230000004888 barrier function Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005406 washing Methods 0.000 abstract description 3
- 239000002070 nanowire Substances 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract 1
- 238000001878 scanning electron micrograph Methods 0.000 description 6
- 239000004753 textile Substances 0.000 description 6
- 241000191967 Staphylococcus aureus Species 0.000 description 5
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 5
- 238000004090 dissolution Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000011241 protective layer Substances 0.000 description 5
- 239000002344 surface layer Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229920001940 conductive polymer Polymers 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 229910001338 liquidmetal Inorganic materials 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000008204 material by function Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- KZJPVUDYAMEDRM-UHFFFAOYSA-M silver;2,2,2-trifluoroacetate Chemical compound [Ag+].[O-]C(=O)C(F)(F)F KZJPVUDYAMEDRM-UHFFFAOYSA-M 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000007766 curtain coating Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000000707 layer-by-layer assembly Methods 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- -1 silver ions Chemical class 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
- D06M15/05—Cellulose or derivatives thereof
- D06M15/09—Cellulose ethers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
- D06M15/657—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing fluorine
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/01—Stain or soil resistance
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/12—Hydrophobic properties
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
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Abstract
The invention discloses a super-hydrophobic antibacterial conductive fabric and a preparation method thereof, and is characterized in that a nano silver antibacterial agent is firstly adhered to the surface of the fabric to endow the fabric with antibacterial property, and then nanowire ink is coated on the surface of the antibacterial fabric to endow the fabric with good conductivity, and the binding capacity between hydroxymethyl cellulose and the fabric is firm, so that the adhesion capacity between the nano silver wire and the fabric is greatly improved, and meanwhile, silver nano particles are protected as a barrier layer to prevent the silver nano particles from being oxidized and falling off under the action of water washing and mechanical force, so that the stability of the antibacterial fabric is greatly improved. The super-hydrophobic functional layer is manufactured on the surface of the antibacterial conductive fabric, so that the self-cleaning effect of the fabric is given, the application field of the fabric is improved, and the super-hydrophobic functional layer is used as a barrier layer to improve the use stability of the fabric and prevent the nano silver wires from falling off under the action of mechanical force. Compared with the prior art, the super-hydrophobic antibacterial conductive fabric has good conductivity, stability of electrical performance, excellent antibacterial effect and super-hydrophobic self-cleaning effect, and the preparation process is simple, and can realize industrial production.
Description
Technical Field
The invention belongs to the field of functional materials, and particularly relates to a super-hydrophobic antibacterial conductive fabric and a preparation method thereof.
Background
Intelligent textiles are also "textile materials capable of being considered independently", and are formed by combining traditional textile technology with functional materials. The conductive fabric is one of important types in intelligent textiles, and the combination of the conductive material and the fabric not only has the characteristic of softness and light weight of the traditional fabric, but also endows the fabric with certain conductivity, so that the conductive fabric can be applied to the aspects of intelligent temperature adjustment, electrochromic, medical application, intelligent clothing, sensors and the like, and has a great application prospect in the field of wearable equipment. As an emerging textile, with the development of conductive materials, the variety of conductive fabrics is increasing and the performance is also increasing, and conductive fabrics may be classified into polymer-based conductive fabrics, metal-based conductive fabrics, and carbon-based conductive fabrics according to the conductive components.
The polymer-based conductive fabric is generally coated on the surface of the fabric fiber by a conductive polymer through modes of dipping, in-situ polymerization, spraying and the like, so as to obtain the conductive fabric. Although the preparation process of the conductive fabric is simple, the fabric has good air permeability and water permeability, the fabric has weak conductivity. The carbon-based conductive fabric is realized by compounding carbon black, carbon nano tubes, graphene and other materials into fibers or yarns through a co-spinning method, or wrapping the surfaces of the fibers of the fabric through the modes of dip coating, spray coating, layer-by-layer assembly and the like. However, the fabric prepared by the method has good chemical stability, but the conductivity of the fabric is poor. The metal-based conductive fabric is usually formed by combining conductive metal and fabric, and is a good choice in preparing the conductive fabric with high conductivity due to the advantages of high strength, good conductive performance and the like of the metal. The combination of metal and fabric can additionally endow the fabric with special properties such as antibacterial, ultraviolet protection, electrifying heating and the like, so that the metal composite fabric is an important textile in the fields of clothing with application functions, flexible equipment and the like.
With the development of wearable electronic equipment, the research of conductive fabrics also achieves great results, and a plurality of patent reports exist. In Chinese patent CN 110904675A (a conductive fabric and a preparation method thereof), styrene-butadiene rubber is dissolved in an organic solvent to obtain an SBS solution, the clean fabric is immersed in the SBS solution for full immersion and then taken out and dried, and then the treated fabric is immersed in a silver trifluoroacetate solution and then taken out and dried; and (3) reducing the fabric after adsorbing the silver trifluoroacetate, reducing the adsorbed silver ions into elemental silver, and finally cleaning and drying to obtain the conductive fabric. In chinese patent CN 110747626A (a preparation method of hydrophobic conductive fabric, and the material and application thereof), it is reported that a fabric substrate is soaked in an alkaline solution, then washed with water and dried, then the dried fabric is soaked in a buffer solution, then the soaked fabric is placed in an aqueous solution of a conductive polymer monomer, stirred, the solution is adjusted to acidity by a pH regulator, then an oxidizing agent is added to make the conductive polymer monomer perform in-situ polymerization reaction on the fabric surface, and finally the hydrophobic conductive fabric is obtained through washing with water, soaking with ethanol and drying. Chinese patent CN 107938369B (a conductive fabric and a method for preparing the same) reports the preparation of a conductive fabric, which comprises an adhesion improving layer, a liquid metal layer, an oxygen barrier protective layer and a packaging protective layer, which are sequentially attached to the surface layer of the fabric substrate from inside to outside; the preparation method comprises the steps of coating an adhesion improvement layer on the surface layer of a fabric substrate, coating a liquid metal layer on the surface layer of the adhesion improvement layer, coating an oxygen-isolation protective layer on the surface layer of the liquid metal layer, coating a packaging protective layer on the surface layer of the oxygen-isolation protective layer, and adopting spraying, brushing, curtain coating or printing in a coating mode.
At present, although research and application ranges of conductive fabrics are greatly developed, the reported conductive fabrics have respective advantages, but the problems of weak conductivity, poor adhesion between conductive materials and fabrics, single function of the conductive fabrics and the like generally exist, so that the commercial application of the conductive fabrics is limited to a certain extent.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a super-hydrophobic antibacterial conductive fabric and a preparation method thereof. According to the method, the nano silver particles are attached to the surface of the fabric to endow the fabric with good antibacterial agent, then the nano silver wires are attached to endow the fabric with good conductivity, and finally the super-hydrophobic functional layer is coated, so that the fabric is endowed with self-cleaning effect, and the adhesive force between the nano silver wires and the fabric is improved. The conductive fabric prepared by the method has excellent performances of conductivity, hydrophobicity, antibacterial property, self-cleaning and the like.
The technical scheme adopted for solving the technical problems is as follows:
the preparation method of the super-hydrophobic antibacterial conductive fabric comprises the following steps: (1) The nano silver antibacterial agent is attached to the surface of the fabric by adopting a spraying or dipping method, and drying is not needed.
(2) And (3) completely dissolving the hydroxymethyl cellulose in the aqueous solution, adding a certain amount of N, N-dimethylamide solution into the aqueous solution, stirring for 5 minutes at 800-1200 rpm/min, adding the nano silver wire, and stirring for 30 minutes at 800-1200 rpm/min to prepare the nano silver wire ink.
(3) Placing the designed screen printing plate on a fabric, fixing the screen printing plate, placing nano silver wire conductive ink on the screen printing plate, scraping the nano silver wire ink on the screen printing plate by using a scraper for 1-20 times, slowly lifting the screen printing plate from one side after the scraping is finished, and enabling a clear circuit to appear on the surface of the fabric. And (3) putting the fabric printed with the circuit into a drying oven to be dried for 15-30 minutes at 70-80 ℃ to obtain the conductive fabric.
(4) And (3) coating the ethanol solution containing the fluorine polysilsesquioxane on the surface of the conductive fabric by adopting a spraying method, and placing the conductive fabric in a drying oven to be dried for 15-30 minutes at 70-80 ℃ to obtain the super-hydrophobic antibacterial conductive fabric.
The nano silver antibacterial agent adopted in the step (1) is nano silver sol with the mass percentage concentration of 0.02-0.1%, and the nano silver particle size is 5-30 nm.
The invention adopts the spraying or dipping technology in the step (1) to realize the adhesion of the nano silver antibacterial agent on the surface of the fabric.
The nano silver wire ink prepared in the step (2) is composed of the following materials in percentage by mass: 8-20% of nano silver wire, 2-5% of hydroxymethyl cellulose, 16-40% of N, N-dimethyl amide and 35-71% of water.
The invention adopts 3-5 mg ∙ mL of the ethanol solution containing the fluorine polysilsesquioxane in the step (4) -1 。
The beneficial effects of the invention are as follows: according to the invention, the nano silver antibacterial agent is firstly adhered to the surface of the fabric, so that the antibacterial property of the fabric is endowed, and then the nanowire ink is coated on the surface of the antibacterial fabric, so that the fabric is endowed with good conductivity, the strong bonding capability between the hydroxymethyl cellulose and the fabric is greatly improved, meanwhile, the nano silver wire and the fabric are used as a blocking layer to protect silver nano particles, the silver nano particles are prevented from being oxidized and falling off under the action of water washing and mechanical force, and the stability of the antibacterial fabric is greatly improved. The super-hydrophobic functional layer is manufactured on the surface of the antibacterial conductive fabric, so that the self-cleaning effect of the fabric is given, the application field of the fabric is improved, and the super-hydrophobic functional layer is used as a barrier layer to improve the use stability of the fabric and prevent the nano silver wires from falling off under the action of mechanical force. In this multifunctional fabric, the various functions are not simply superimposed, but rather cooperate with each other.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification
The embodiments are used together to explain the invention but do not limit the invention.
FIG. 1 is a low-magnification SEM image of a superhydrophobic conductive fabric of example 1 of the invention;
FIG. 2 is a high-magnification SEM image of a superhydrophobic fabric of example 1 of the invention;
FIG. 3 is a graph of static contact angle of the superhydrophobic conductive fabric of example 1 of the invention;
FIG. 4 is a low-magnification SEM image of a superhydrophobic conductive fabric of example 2 of the invention;
FIG. 5 is a low-magnification SEM image of a superhydrophobic conductive fabric of example 3 of the invention;
FIG. 6 is a low-magnification SEM image of a superhydrophobic conductive fabric of example 4 of the invention;
FIG. 7 is a low-magnification SEM image of a superhydrophobic conductive fabric of example 5 of the invention;
fig. 8 is a static contact angle plot of the superhydrophobic conductive fabric of example 5 of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention are clearly and completely described below in connection with the embodiments of the present invention. The described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
the super-hydrophobic antibacterial conductive fabric and the preparation method thereof are as follows:
(1) The nano silver antibacterial agent with the mass percentage content of 0.1% is sprayed on the surface of the fabric without drying.
(2) 2.5 g of hydroxymethyl cellulose is dissolved in 47.5 ml of water solution, stirred until the dissolution is complete, then 37.5 ml of N, N-dimethylamide is added into the solution, the solution is stirred for 5 minutes at 800 rpm/min, then 12.5 g of nano silver wire is added into the solution, and the solution is stirred for 30 minutes at 800 rpm/min, so that nano silver wire ink is prepared.
(3) Placing the designed screen printing plate on a fabric, fixing the screen printing plate, placing nano silver wire conductive ink on the screen printing plate, scraping the nano silver wire ink on the screen printing plate by using a scraper, wherein the scraping times are 5 times, slowly lifting the screen printing plate from one side after the scraping is finished, and enabling a clear circuit to appear on the surface of the fabric. And (5) putting the fabric printed with the circuit into a drying oven to be dried for 15 minutes at 80 ℃ to obtain the conductive fabric.
(4) The concentration is 5mg ∙ mL by adopting a spraying process -1 The ethanol solution containing fluorine polysilsesquioxane is coated on the surface of the conductive fabric, and the conductive fabric is placed in a drying oven to be dried for 15 minutes at 70 ℃ to obtain the super-hydrophobic antibacterial conductive fabric.
Testing the performance of the super-hydrophobic antibacterial conductive fabric, wherein the sheet resistance is 72.7 omega ∙ cm -1 The contact angle of 5 μl water drop on the glass is 152.99, and the antibacterial property to staphylococcus aureus is more than 99%.
Example 2:
the super-hydrophobic antibacterial conductive fabric and the preparation method thereof are as follows:
(1) The nano silver antibacterial agent with the mass percentage content of 0.02% is sprayed on the surface of the fabric without drying.
(2) 2.5 g of hydroxymethyl cellulose is dissolved in 47.5 ml of water solution, stirred until the dissolution is complete, 39.5 ml of N, N-dimethylamide is added into the solution, the solution is stirred for 5 minutes at 800 rpm/min, then 8 g of nano silver wire is added into the solution, and the solution is stirred for 30 minutes at 800 rpm/min, so that nano silver wire ink is prepared.
(3) Placing the designed screen printing plate on a fabric, fixing the screen printing plate, placing nano silver wire conductive ink on the screen printing plate, scraping the nano silver wire ink on the screen printing plate by using a scraper, wherein the scraping times are 10 times, slowly lifting the screen printing plate from one side after the scraping is finished, and enabling a clear circuit to appear on the surface of the fabric. And (5) putting the fabric printed with the circuit into a drying oven to be dried for 15 minutes at 80 ℃ to obtain the conductive fabric.
(4) The concentration is 5mg ∙ mL by adopting a spraying process -1 The ethanol solution containing fluorine polysilsesquioxane is coated on the surface of the conductive fabric, and the conductive fabric is placed in a drying oven to be dried for 15 minutes at 70 ℃ to obtain the super-hydrophobic antibacterial conductive fabric.
Testing the performance of the super-hydrophobic antibacterial conductive fabric, wherein the sheet resistance is 21.7 omega ∙ cm -1 The contact angle of 5 μl water drop on the glass is 152.49, and the antibacterial property to staphylococcus aureus is more than 99%.
Example 3:
the super-hydrophobic antibacterial conductive fabric and the preparation method thereof are as follows:
(1) The nano silver antibacterial agent with the mass percentage content of 0.1% is sprayed on the surface of the fabric without drying.
(2) 3.35 g of hydroxymethyl cellulose is dissolved in 46.65 ml of water solution, stirred until the dissolution is complete, then 30 ml of N, N-dimethylamide is added into the solution, the solution is stirred for 5 minutes at 800 rpm/min, then 20 g of nano silver wire is added into the solution, and the solution is stirred for 30 minutes at 800 rpm/min, so that nano silver wire ink is prepared.
(3) Placing the designed screen printing plate on a fabric, fixing the screen printing plate, placing nano silver wire conductive ink on the screen printing plate, scraping the nano silver wire ink on the screen printing plate by using a scraper, wherein the scraping times are 5 times, slowly lifting the screen printing plate from one side after the scraping is finished, and enabling a clear circuit to appear on the surface of the fabric. And (5) putting the fabric printed with the circuit into a drying oven to be dried for 15 minutes at 80 ℃ to obtain the conductive fabric.
(4) The concentration is 5mg ∙ mL by adopting a spraying process -1 The ethanol solution containing fluorine polysilsesquioxane is coated on the surface of the conductive fabric, and the conductive fabric is placed in a drying oven to be dried for 15 minutes at 70 ℃ to obtain the super-hydrophobic antibacterial conductive fabric.
Testing the Property of the super-hydrophobic antibacterial conductive fabricsCan have a sheet resistance of 38.2 Ω ∙ cm -1 The contact angle of 5 μl water drop on the glass is 153.19, and the antibacterial property to staphylococcus aureus is more than 99%.
Example 4:
the super-hydrophobic antibacterial conductive fabric and the preparation method thereof are as follows:
(1) The nano silver antibacterial agent with the mass percentage content of 0.02% is sprayed on the surface of the fabric without drying.
(2) 2.5 g of hydroxymethyl cellulose is dissolved in 47.5 ml of water solution, stirred until the dissolution is complete, 39.5 ml of N, N-dimethylamide is added into the solution, the solution is stirred for 5 minutes at 800 rpm/min, then 8 g of nano silver wire is added into the solution, and the solution is stirred for 30 minutes at 800 rpm/min, so that nano silver wire ink is prepared.
(3) Placing the designed screen printing plate on a fabric, fixing the screen printing plate, placing nano silver wire conductive ink on the screen printing plate, scraping the nano silver wire ink on the screen printing plate by using a scraper, wherein the scraping times are 10 times, slowly lifting the screen printing plate from one side after the scraping is finished, and enabling a clear circuit to appear on the surface of the fabric. And (5) putting the fabric printed with the circuit into a drying oven to be dried for 15 minutes at 80 ℃ to obtain the conductive fabric.
(4) The concentration is 3 mg ∙ mL by adopting a spraying process -1 The ethanol solution containing fluorine polysilsesquioxane is coated on the surface of the conductive fabric, and the conductive fabric is placed in a drying oven to be dried for 15 minutes at 70 ℃ to obtain the super-hydrophobic antibacterial conductive fabric.
Testing the performance of the super-hydrophobic antibacterial conductive fabric, wherein the sheet resistance is 16.7 omega ∙ cm -1 The contact angle of 5 μl water drop on the glass is 151.39, and the antibacterial property to staphylococcus aureus is more than 99%.
Example 5:
the super-hydrophobic antibacterial conductive fabric and the preparation method thereof are as follows:
(1) The nano silver antibacterial agent with the mass percentage content of 0.1% is sprayed on the surface of the fabric without drying.
(2) 2.5 g of hydroxymethyl cellulose is dissolved in 47.5 ml of water solution, stirred until the dissolution is complete, then 37.5 ml of N, N-dimethylamide is added into the solution, the solution is stirred for 5 minutes at 800 rpm/min, then 12.5 g of nano silver wire is added into the solution, and the solution is stirred for 30 minutes at 800 rpm/min, so that nano silver wire ink is prepared.
(3) Placing the designed screen printing plate on a fabric, fixing the screen printing plate, placing nano silver wire conductive ink on the screen printing plate, scraping the nano silver wire ink on the screen printing plate by using a scraper, wherein the scraping times are 10 times, slowly lifting the screen printing plate from one side after the scraping is finished, and enabling a clear circuit to appear on the surface of the fabric. And (5) putting the fabric printed with the circuit into a drying oven to be dried for 15 minutes at 80 ℃ to obtain the conductive fabric.
(4) The concentration is 5mg ∙ mL by adopting a spraying process -1 The ethanol solution containing fluorine polysilsesquioxane is coated on the surface of the conductive fabric, and the conductive fabric is placed in a drying oven to be dried for 15 minutes at 70 ℃ to obtain the super-hydrophobic antibacterial conductive fabric.
Testing the performance of the super-hydrophobic antibacterial conductive fabric, wherein the sheet resistance is 5.71 omega ∙ cm -1 The contact angle of 5 μl water drop on the glass is 152.29, and the antibacterial property to staphylococcus aureus is more than 99%.
The applicant states that the detailed method of the present invention is illustrated by the above examples, but the present invention is not limited to the detailed method described above, i.e. it does not mean that the present invention must be practiced in dependence upon the detailed method described above. It should be apparent to those skilled in the art that any modification of the present invention, effective replacement of raw materials and addition of auxiliary components of the product of the present invention, selection of specific modes, etc. fall within the scope of the present invention and the scope of disclosure.
Claims (5)
1. The preparation method of the super-hydrophobic antibacterial conductive fabric is characterized by comprising the following preparation processes: (1) The nano silver antibacterial agent is attached to the surface of the fabric by adopting a spraying or dipping method, and drying is not needed; (2) Completely dissolving hydroxymethyl cellulose in an aqueous solution, adding a certain amount of N, N-dimethylamide solution into the solution, stirring for 5 minutes under the condition of 800-1200 rpm, adding nano silver wires, and stirring for 30 minutes under the condition of 800-1200 rpm to prepare nano silver wire ink; (3) Placing the designed screen printing plate on a fabric, fixing the screen printing plate, placing nano silver wire conductive ink on the screen printing plate, scraping nano silver wire ink on the screen printing plate by using a scraper for 1-20 times, slowly lifting the screen printing plate from one side after the scraping is finished, and enabling a clear circuit to appear on the surface of the fabric; placing the fabric printed with the circuit into a drying oven to be dried for 15-30 minutes at 70-80 ℃ to obtain a conductive fabric; (4) And (3) coating the ethanol solution containing the fluorine polysilsesquioxane on the surface of the conductive fabric by adopting a spraying method, and placing the conductive fabric in a drying oven to be dried for 15-30 minutes at 70-80 ℃ to obtain the super-hydrophobic antibacterial conductive fabric.
2. The method for preparing the super-hydrophobic antibacterial conductive fabric according to claim 1, wherein the nano silver antibacterial agent in the step (1) is nano silver sol with the mass percentage concentration of 0.02-0.1%, and the nano silver particle size is 5-30 nm.
3. The method for preparing the super-hydrophobic antibacterial conductive fabric according to claim 1, wherein the step (1) is characterized in that the nano silver antibacterial agent is attached to the surface of the fabric by adopting a spraying or dipping process.
4. The preparation method of the super-hydrophobic antibacterial conductive fabric according to claim 1, wherein the nano silver wire ink prepared in the step (2) consists of the following materials in percentage by mass: 8-20% of nano silver wire, 2-5% of hydroxymethyl cellulose, 16-40% of N, N-dimethyl amide and 35-71% of water.
5. The method for preparing a super-hydrophobic antibacterial conductive fabric according to claim 1, wherein the ethanol solution of fluorine-containing polysilsesquioxane in the step (4) is 3-5 mg.ml -1 。
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